it would prohibit the government from changing rules governing children working in agriculture, rules that date back to 1938. >> wopt be beyond unusual to put in 14 or 18 hour days and there's probably no difference between dad putting it in and a 12-year-old boy putting it in. >> why is agriculture exempt though. >> the same kid couldn't work in a family dunkin' donuts or clothing store or your office if he or she were 12. >> i think because of the family being involved with it and working side by side with mom and dad. >> reporter: other co-sponsors the preserving america's family farms act were less willing to talk. they canceled at the last minute and the press secretary for the by him's main sponsor, tom latham he had he was too busy attending to needs of constituents to talk to us in san francisco. there is little debate among these families working on large farms. for them it may be complicated politically yet it's very simple economics, while the parents may not want the children to have to work the fields, most families have to have them there in order to make ends meet. >> t